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Code to get list of all sound outputs

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Kovid Goyal 2020-10-22 09:53:32 +05:30
parent 9bb6e83b68
commit ee374f5d93
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 30 additions and 1 deletions
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31
src/calibre/utils/windows/winsapi.cpp
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@ -54,6 +54,35 @@ Voice_dealloc(Voice *self) {
CoUninitialize();
}
static PyObject*
Voice_get_all_sound_outputs(Voice *self, PyObject *args) {
HRESULT hr = S_OK;
CComPtr<IEnumSpObjectTokens> iterator = NULL;
if (FAILED(hr = SpEnumTokens(SPCAT_AUDIOOUT, NULL, NULL, &iterator))) {
return error_from_hresult(hr, "Failed to create audio output category iterator");
}
pyobject_raii ans(PyList_New(0));
if (!ans) return NULL;
while (true) {
CComPtr<ISpObjectToken> token = NULL;
if (FAILED(hr = iterator->Next(1, &token, NULL)) || hr == S_FALSE || !token) break;
pyobject_raii dict(PyDict_New());
if (!dict) return NULL;
com_wchar_raii id, description;
if (FAILED(hr = token->GetId(id.address()))) continue;
pyobject_raii idpy(PyUnicode_FromWideChar(id.ptr(), -1));
if (!idpy) return NULL;
if (PyDict_SetItemString(dict.ptr(), "id", idpy.ptr()) != 0) return NULL;
if (FAILED(hr = SpGetDescription(token, description.address(), NULL))) continue;
pyobject_raii descriptionpy(PyUnicode_FromWideChar(description.ptr(), -1));
if (!descriptionpy) return NULL;
if (PyDict_SetItemString(dict.ptr(), "description", descriptionpy.ptr()) != 0) return NULL;
if (PyList_Append(ans.ptr(), dict.ptr()) != 0) return NULL;
}
return ans.detach();
}
static PyObject*
Voice_get_all_voices(Voice *self, PyObject *args) {
@ -61,7 +90,6 @@ Voice_get_all_voices(Voice *self, PyObject *args) {
CComPtr<IEnumSpObjectTokens> iterator = NULL;
if (FAILED(hr = SpEnumTokens(SPCAT_VOICES, NULL, NULL, &iterator))) {
return error_from_hresult(hr, "Failed to create voice category iterator");
return NULL;
}
pyobject_raii ans(PyList_New(0));
if (!ans) return NULL;
@ -110,6 +138,7 @@ Voice_get_all_voices(Voice *self, PyObject *args) {
#define M(name, args) { #name, (PyCFunction)Voice_##name, args, ""}
static PyMethodDef Voice_methods[] = {
M(get_all_voices, METH_NOARGS),
M(get_all_sound_outputs, METH_NOARGS),
{NULL, NULL, 0, NULL}
};
#undef M